000 00690cam a22002291 4500
001 sa 64000289
003 DLC
005 20260227111955.0
008 871223s1963 ii a b 000 0 eng
010 _asa 64000289
035 _a(OCoLC)17283365
040 _aDLC
_cICRL
_dWU
_dDLC
042 _apremarc
050 0 0 _aTK6397
_b.D3
100 1 _aDas, P. N.
245 1 3 _aAn introduction to automatic telephony;
_bfor the undergraduate students of tele-communication and electrical engineering.
250 _a[1st ed.]
260 _aCalcutta,
_bModern Book Agency
_c[1963]
300 _a212 p.
_billus.
_c22 cm.
504 _aBibliography: p. 207-208.
650 0 _aTelephone, Automatic.
999 _c56135
_d56135